
function setupWebViewJavascriptBridge (callback) {
	  if (window.WebViewJavascriptBridge) {
	    return callback(window.WebViewJavascriptBridge)
	  }
	  if (window.WVJBCallbacks) {
	    return window.WVJBCallbacks.push(callback)
	  }
	  window.WVJBCallbacks = [callback]
	  let WVJBIframe = document.createElement('iframe')
	  WVJBIframe.style.display = 'none'
	  WVJBIframe.src = 'https://__bridge_loaded__'
	  document.documentElement.appendChild(WVJBIframe)
	  setTimeout(() => {
	    document.documentElement.removeChild(WVJBIframe)
	  }, 0)
}
function regester () {
  const nav = navigator.userAgent
  if (nav.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/)) {
    setupWebViewJavascriptBridge(function (bridge) {
      bridge.registerHandler('goChangeimage', function (data, responseCallback) {
        localStorage.setItem('goChangeimage', '1')
        // 把处理好的结果返回给OC
      })
    })
  }
}
regester()
export default {
	  callhandler (name, data, callback) {
	    setupWebViewJavascriptBridge(function (bridge) {
	      bridge.callHandler(name, data, callback)
	    })
	  },
	  registerhandler (name, callback) {
	    setupWebViewJavascriptBridge(function (bridge) {
	      bridge.registerHandler(name, function (data, responseCallback) {
	        callback(data, responseCallback)
	      })
	    })
	  }
}
